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Re: [PATCH] kill prom_printf

To: Geert Uytterhoeven <>
Subject: Re: [PATCH] kill prom_printf
From: "Maciej W. Rozycki" <>
Date: Tue, 17 Jun 2003 16:49:17 +0200 (MET DST)
Cc: Ladislav Michl <>, Juan Quintela <>, Linux/MIPS Development <>
In-reply-to: <>
Organization: Technical University of Gdansk
Original-recipient: rfc822;
On Tue, 17 Jun 2003, Geert Uytterhoeven wrote:

> >  Hmm, calling the firmware for each character separately will certainly be
> > terribly slow, though it may be negligible as normally few messages will
> > be output this way.  And since the call to prom_printf() is so cheap for
> > the DECstation, I'm going to retain the function for real low-level
> > debugging, whether otherwise used or not. 
> kernel/printk.c doesn't call the low-level output routine for each character
> separately, but passes complete strings of characters.

 So I can just call prom_printf("%s", string), right?  This would solve
this shortcoming. 

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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